//
//  KnowledgeManager.h
//  Grammar
//
//  Created by Rick on 7/3/13.
//
//

#import <Foundation/Foundation.h>

@class Knowledge;

@interface KnowledgeManager : NSObject

@property (nonatomic, retain) NSMutableArray *knowledges;
@property (nonatomic, retain) NSString *knowledgeType ;
+(KnowledgeManager*)sharedManager;
- (void)addKnowledge:(Knowledge*)knowledge;
- (void)removeKnowledge:(Knowledge*)knowledge;
- (void)clearMemoryData;
- (void)removeAllKnowledges;

@end
